Praemonenda

The Praemonenda de rationibus et usu operis offer an extensive introduction to the Thesaurus and how to use it. The printed edition is – apart from a Latin version – available in 7 languages: English, French, German, Italian, Russian, and Spanish. Every printed edition of the Thesaurus contains the Praemonenda; they are also available in bookshops and can be consulted online (s. TLL online).